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ZHEJIANG WEIHUA CHEMICAL CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    201,402
  • Filing trend
    ⇩ 100.0%
About

ZHEJIANG WEIHUA CHEMICAL CO LTD has a total of 14 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry and electrical machinery and energy are CHALMERS & MITCHELL LTD, HU TING and KOO SANG HO.

Patent filings in countries

World map showing ZHEJIANG WEIHUA CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing ZHEJIANG WEIHUA CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Jinghua 8
#2 Wu Jiangwei 7
#3 Li Junqi 6
#4 Zhang Quanquan 6
#5 Bu Luzhou 5
#6 Jiangwei Wu 5
#7 Wang Guorong 5
#8 Chang Xuanchao 4
#9 Jinghua Chen 4
#10 Kaiquan Wang 3

Latest patents

Publication Filing date Title
CN106866426A A kind of method of comprehensive utilization of the trichlorobenzotrifluoride of accessory substance 2,4,5 for producing 3,4,5 trichlorobenzotrifluorides
CN106905104A A kind of synthetic method of the fluoride trifluoro toluene of 2 bromine 5
CN105822923A LED lamp tube for light-catalyzed reaction
CN105085158A Synthesis method of methyl benzotrifluoride
CN103193611A Method for synthesizing m-trifluoromethyl acetophenone
CN102924226A Industrial method for continuous fluorination synthesis of benzotrifluoride product
CN102911009A Industrialization method for synthetizing (trichloromethyl) benzeneby products by continuous photo-initiation chlorination
CN102701904A Method for comprehensively utilizing hydrogen fluoride in exhausted gas generated in fluoridation
CN102351704A Method for synthesizing methyl 3-(trifluoromethyl)benzoate
CN102381930A Method for producing p-chorotoluene by using element selenium as catalyst
CN101948367A Preparation method taking 1,1,1-trifluoroethane as raw material
CN101289401A Process for preparing 2,6- dichlor-4-trifluoromethyl aniline
CN101289400A Process for synthesizing 2,6- dichlor-4-trifluoromethyl aniline